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A picture of a Alpine phlox

Alpine phlox

Phlox douglasii

Partial Shade
Moderate watering
Frost Hardy

H5

RHS hardiness

-15°C

Minimum temperature

Expected size

Height
Spread

20cm

Max

60cm

10cm

Min

20cm

Flowering

  • spring
  • summer
  • autumn
  • winter

Alpine phlox Overview

This is an evergreen perennial, It will produce white, lavender-blue or pink flowers.

Common problems with Alpine phlox

How to propagate Alpine phlox

Cuttings

Propagate rock and hybrids by basal cuttings from non-flowering shoots in spring or summer. Root cuttings in winter.

Seed

Species can be increased by seed in autumn or spring. Annuals can be propagated by seed in spring.

Division

P.maculata, P.paniculata and their cultivators should be propagated by division in early spring.

Other uses of Alpine phlox

Ground cover, walls, rock garden, borders Spring/Summer interest.